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Merge pull request #4154 from libgit2/ethomson/namespaces

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Support namespaced references again
This commit is contained in:
Edward Thomson 2017-03-06 15:53:57 +00:00 committed by GitHub
commit b31b236004
2 changed files with 71 additions and 26 deletions
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61
src/refdb_fs.c
View File

@ -1433,26 +1433,25 @@ static void refdb_fs_backend__free(git_refdb_backend *_backend)
git__free(backend);
}
static int setup_namespace(git_buf *gitpath, git_repository *repo)
static char *setup_namespace(git_repository *repo, const char *in)
{
char *parts, *start, *end;
git_buf path = GIT_BUF_INIT;
char *parts, *start, *end, *out = NULL;
/* Not all repositories have a gitpath */
if (repo->gitdir == NULL)
return 0;
if (repo->commondir == NULL)
return 0;
if (!in)
goto done;
/* Load the path to the repo first */
git_buf_puts(gitpath, repo->gitdir);
git_buf_puts(&path, in);
/* if the repo is not namespaced, nothing else to do */
if (repo->namespace == NULL)
return 0;
if (repo->namespace == NULL) {
out = git_buf_detach(&path);
goto done;
}
parts = end = git__strdup(repo->namespace);
if (parts == NULL)
return -1;
goto done;
/*
* From `man gitnamespaces`:
@ -1460,21 +1459,24 @@ static int setup_namespace(git_buf *gitpath, git_repository *repo)
* of namespaces; for example, GIT_NAMESPACE=foo/bar will store
* refs under refs/namespaces/foo/refs/namespaces/bar/
*/
while ((start = git__strsep(&end, "/")) != NULL) {
git_buf_printf(gitpath, "refs/namespaces/%s/", start);
}
while ((start = git__strsep(&end, "/")) != NULL)
git_buf_printf(&path, "refs/namespaces/%s/", start);
git_buf_printf(gitpath, "refs/namespaces/%s/refs", end);
git_buf_printf(&path, "refs/namespaces/%s/refs", end);
git__free(parts);
/* Make sure that the folder with the namespace exists */
if (git_futils_mkdir_relative(git_buf_cstr(gitpath), repo->commondir,
0777, GIT_MKDIR_PATH, NULL) < 0)
return -1;
if (git_futils_mkdir_relative(git_buf_cstr(&path), in, 0777,
GIT_MKDIR_PATH, NULL) < 0)
goto done;
/* Return root of the namespaced gitpath, i.e. without the trailing '/refs' */
git_buf_rtruncate_at_char(gitpath, '/');
return 0;
git_buf_rtruncate_at_char(&path, '/');
out = git_buf_detach(&path);
done:
git_buf_free(&path);
return out;
}
static int reflog_alloc(git_reflog **reflog, const char *name)
@ -1979,12 +1981,19 @@ int git_refdb_backend_fs(
backend->repo = repository;
if (setup_namespace(&gitpath, repository) < 0)
goto fail;
if (repository->gitdir) {
backend->gitpath = setup_namespace(repository, repository->gitdir);
backend->gitpath = backend->commonpath = git_buf_detach(&gitpath);
if (repository->commondir)
backend->commonpath = git__strdup(repository->commondir);
if (backend->gitpath == NULL)
goto fail;
}
if (repository->commondir) {
backend->commonpath = setup_namespace(repository, repository->commondir);
if (backend->commonpath == NULL)
goto fail;
}
if (git_buf_joinpath(&gitpath, backend->commonpath, GIT_PACKEDREFS_FILE) < 0 ||
git_sortedcache_new(

36
tests/refs/namespaces.c Normal file
View File

@ -0,0 +1,36 @@
#include "clar_libgit2.h"
#include "repository.h"
static git_repository *g_repo;
void test_refs_namespaces__initialize(void)
{
g_repo = cl_git_sandbox_init("testrepo");
}
void test_refs_namespaces__cleanup(void)
{
cl_git_sandbox_cleanup();
}
void test_refs_namespaces__get_and_set(void)
{
cl_assert_equal_s(NULL, git_repository_get_namespace(g_repo));
cl_git_pass(git_repository_set_namespace(g_repo, "namespace"));
cl_assert_equal_s("namespace", git_repository_get_namespace(g_repo));
cl_git_pass(git_repository_set_namespace(g_repo, NULL));
cl_assert_equal_s(NULL, git_repository_get_namespace(g_repo));
}
void test_refs_namespaces__namespace_doesnt_show_normal_refs(void)
{
static git_strarray ref_list;
cl_git_pass(git_repository_set_namespace(g_repo, "namespace"));
cl_git_pass(git_reference_list(&ref_list, g_repo));
cl_assert_equal_i(0, ref_list.count);
git_strarray_free(&ref_list);
}